AC_DEFINE([TIME_T_IS_32BIT], [], [time_t is 32bit])
AC_DEFINE([TIME_T_IS_64BIT], [], [time_t is 64bit])
AC_MSG_CHECKING([the type of time_t])
-AC_RUN_IFELSE(
- AC_LANG_PROGRAM(
- [[#include <time.h>]],
- [[if (sizeof(time_t) != 4) return 1; ]]
- ),
- [ AC_MSG_RESULT([time_t is 32 bit])
- AC_DEFINE([TIME_T_IS_32BIT])
- ],
- [ AC_RUN_IFELSE(
- AC_LANG_PROGRAM(
- [[#include <time.h>]],
- [[if (sizeof(time_t) != 8) return 1; ]]
- ),
- [
- AC_MSG_RESULT([time_t is 64 bit])
- AC_DEFINE([TIME_T_IS_64BIT])
- ],
- [AC_MSG_ERROR([can not figure type of time_t])]
- )
- ]
-)
+AC_CHECK_SIZEOF([time_t])
+if test "x$ac_cv_sizeof_time_t" = "x4"; then
+ AC_MSG_RESULT([time_t is 32 bit])
+ AC_DEFINE([TIME_T_IS_32BIT])
+elif test "x$ac_cv_sizeof_time_t" = "x8"; then
+ AC_MSG_RESULT([time_t is 64 bit])
+ AC_DEFINE([TIME_T_IS_64BIT])
+else
+ AC_MSG_ERROR([can not figure type of time_t])
+fi
AC_LANG_POP(C)
AC_SUBST(COMP_PYTHON)
dnl Check for nroff
-AC_PATH_PROGS(NROFF, gnroff nroff)
-AC_PATH_PROGS(TROFF, groff troff)
+AC_ARG_VAR(NROFF, [path to the local nroff version])
+AC_PATH_PROGS(NROFF, [gnroff nroff])
+if test x$NROFF = x; then
+ AC_MSG_ERROR([I need a copy of *nroff to format the documentation])
+fi
+AC_ARG_VAR(TROFF, [path to the local troff version])
+AC_PATH_PROGS(TROFF, [groff troff])
+if test x$TROFF = x; then
+ AC_MSG_ERROR([I need a copy of *troff to format the documentation])
+fi
AC_ARG_VAR(RRDDOCDIR, [[DATADIR/doc/PACKAGE-VERSION] Documentation directory])
if test -z "$RRDDOCDIR"; then